[cisco-voip] IP Communicator and MAC Addresses.

[Ted Nugent]

Yes, It would appear so...by selecting "use this
device ID" and statically mapping thier device name.
It could possibly make troubleshooting a users problem
a bit easier. I'm curious if there's a way to lock out
this option using the Admintool... if you know for
sure please advise. Thanks

--- Lelio Fulgenzi <lelio at uoguelph.ca> wrote:

> So are my suspicions true in that you can use the
> MAC address of another IPC user and end up
> registering with their extension on your PC?
> 
>
--------------------------------------------------------------------------------
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph *
> Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
>
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> 
> "I can eat fifty eggs." "Nobody can eat fifty eggs."
>   ----- Original Message ----- 
>   From: Ted Nugent 
>   To: Phillips, Danny 
>   Cc: cisco-voip at puck.nether.net 
>   Sent: Tuesday, July 11, 2006 11:16 AM
>   Subject: Re: [cisco-voip] IP Communicator and MAC
> Addresses.
> 
> 
>   Awesome... good to know!
> 
>   --- "Phillips, Danny" <dphillips at sapc.edu> wrote:
> 
>   > I downloaded the latest version and installed it
>   > with both NIC active
>   > and it is working fine.
>   > 
>   > Thanks
>   > 
>   > -----Original Message-----
>   > From: Ted Nugent [mailto:tednugent69 at yahoo.com] 
>   > Sent: Tuesday, July 11, 2006 10:34 AM
>   > To: Phillips, Danny
>   > Cc: cisco-voip at puck.nether.net
>   > Subject: Re: [cisco-voip] IP Communicator and
> MAC
>   > Addresses.
>   > 
>   > Interesting, I do not seem to have this problem.
> The
>   > only difference that I can see between what you
> and
>   > I
>   > might be doing differently is that I installed
> IPC
>   > with all of my NICs installed and enabled and I
> can
>   > toggle between them freely? Perhaps this is a
> bug
>   > with
>   > the version of IPC you're using? Have you tried
>   > upgrading to the latest and greatest version of
> IPC?
>   > I'm running 2.0.1.1. Also are you local to CM
> when
>   > trying this or are you trying this remotely (via
> vpn
>   > or otherwise)? 
>   > 
>   > 
>   > --- "Phillips, Danny" <dphillips at sapc.edu>
> wrote:
>   > 
>   > > I am using CCM 4.1(3). When I add a IP
>   > communicator
>   > > phone the first
>   > > option is MAC Address, I put in the MAC of the
>   > > laptops LAN NIC in, then
>   > > load in the laptop and it works fine. If I
> unplug
>   > > the LAN NIC and plug
>   > > the wireless card the Laptop it does not
> register.
>   > > If I then change the
>   > > MAC to the wireless card's MAC it registers
> fine.
>   > > But I cannot just
>   > > change from 1 to the other. 
>   > > 
>   > > 
>   > > Am I missing a step?
>   > > 
>   > > Danny
>   > > 
>   > > -----Original Message-----
>   > > From: Ted Nugent
> [mailto:tednugent69 at yahoo.com] 
>   > > Sent: Tuesday, July 11, 2006 10:05 AM
>   > > To: Ted Nugent; Lelio Fulgenzi; Phillips,
> Danny;
>   > > cisco-voip at puck.nether.net
>   > > Subject: Re: [cisco-voip] IP Communicator and
> MAC
>   > > Addresses.
>   > > 
>   > > You peaked my curiosity so I had to upgrade
> and
>   > see
>   > > what you were referring to... I still do not
> have
>   > > the
>   > > problem that you explained. I can select
> anyone of
>   > > the
>   > > 5 NIC interfaces on my laptop (as long as
> they're
>   > > not
>   > > disabled) and they auto-reg with CM fine and
> only
>   > my
>   > > wireless is active. Can you provide some more
>   > > details
>   > > outlining your issue?
>   > > 
>   > > --- Ted Nugent <tednugent69 at yahoo.com> wrote:
>   > > 
>   > > > I've not tried the most recent version of
> IPC
>   > but
>   > > > you
>   > > > used to just leave it associated with one
> MAC
>   > > > weather
>   > > > you were running on the Wired or Wireless
> NIC???
>   > > If
>   > > > your phone was create using your Wired NIC
>   > address
>   > > > then you would LEAVE configured for that in
> IPC
>   > no
>   > > > mater what physical connection was active at
> the
>   > > > time?
>   > > > Are you saying that now you can ONLY
> configure
>   > IPC
>   > > > to
>   > > > use only the ACTIVE NIC MAC???
>   > > > 
>   > > > 
>   > > > 
>   > > > 
>   > > > 
>   > > > --- Lelio Fulgenzi <lelio at uoguelph.ca>
> wrote:
>   > > > 
>   > > > > I had thought about this as well, not just
>   > about
>   > > > > laptop with wired or wireless, but also
> with
>   > > home
>   > > > PC
>   > > > > - you'd need a different device for each.
> I
>   > was
>   > > > > thinking about a phantom MAC address that
> you
>   > > > could
>   > > > > program and configure the client with.
> Problem
>   > > > with
>   > > > > that is, you would have to make them
> random
>   > > enough
>   > > > > to (a) not interfere with actual MAC
> addresses
>   > > and
>   > > > > (b) not be easily guessed. Since there is
> no
>   > > > > security with IP communicator, all  you
> need
>   > to
>   > > do
>   > > > > is configure your client with someone
> else's
>   > MAC
>   > > > > address and you login with their phone.
>   > > > > 
>   > > > > If someone has found a workaround to this
>   > little
>   > > > > bug, or if I am totally off the wall on
> this,
>   > > > > please, let me know!
>   > > > > 
>   > > > >
>   > > >
>   > >
>   >
>  
>
------------------------------------------------------------------------
>   > > --------
>   > > > > Lelio Fulgenzi, B.A.
>   > > > > Senior Analyst (CCS) * University of
> Guelph *
>   > > > > Guelph, Ontario N1G 2W1
>   > > > > (519) 824-4120 x56354 (519) 767-1060 FAX
>   > (JNHN)
>   > > > >
> 
=== message truncated ===>
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